NVidia transcoding stopped working on newest beta build. Worked fine previously. No changes to hardware or drivers. Nvdec / nvenc work fine in other applications (such as handbrake and ffmpeg). Server Version#: 1.32.2.7002 OS: Debian Kernel: 6.2.11 NVidia drivers: 530.41.03 GPU: RTX a2000 12GB

Plex Media Server Logs_2023-05-10_12-38-41.zip (372.1 KB) Thank you, sorry for delay.

Also seeing hw transcode not working, using a Nvidia GTX 1080. Works when I roll back to 1.32.1.6999. May 10, 2023 13:55:32.079 [139903478717240] ERROR - [Req#ef/Transcode/fcamd47gscvoe4urpo48o5el/13cd4046-b534-4162-beac-409e9621cb16] [Parsed_tonemap_cuda_2 @ 0x7f14331f9d40] cu->cuLinkAddData(link…

[image] remyjette: tonemap.ptx It appears the problem more specifically relates to hardware accelerated HDR tone mapping. I don’t have problems with SDR content, even if 4K.

Looks like you’re correct. If I disable tonemapping, hardware transcoding works again on 1.32.2.7002. So it’s still blocking me from upgrading to the latest version as not all of my devices I watch from support HDR (after testing with disabling tonemapping I’ve once again rolled back to 1.32.1.6999…

Definitely seeing the same thing. I’ll try to get debug logs in the morning if they are still needed.

Server Version#: 1.32.2.7002 OS: RHEL8 Kernel: 4.18.0-425.19.2 NVidia drivers: 530.30.02 GPU: Quadro P2000 Plex Media Server Logs_2023-05-11_07-51-12.zip (6.3 MB)

@wilpig Your system isn’t detecting the Nvidia May 11, 2023 07:11:21.278 [139642696284984] DEBUG - TPU: hardware transcoding: final decoder: , final encoder:

I’ll clear the logs and get you a more concise debug. It is using it for anything non-hdr. I should have looked at the logs before I exported this morning, there were two files being played when I saved that one was hardware transcoding like normal and confirmed with nvdia-smi along with showing hw …

Shutdown plex, cleared the logs, applied the latest beta again. Had three people currently on the system two were getting hardware transcodes at the time. After it came back up both of those got new transcode jobs that showed up in nvidia-smi. I launched one of the files that was showing the hdr …

Looks like the fix is in testing for the next release of Plex: [image] Plex Suddenly Stops Hardware Transcoding Plex Media Server Folks: There is a regression with Nvidia transcoding in 1.32.2.7002 We have it fixed and finishing our testing of it now.

NVidia transcoding broken on 1.32.2.7002

Plex Media Server

remyjette May 16, 2023, 5:48pm 12

Looks like the fix is in testing for the next release of Plex:

Topic		Replies	Views
Plex 1.32.2.7002-86cfcc10c breaks hw Transcoding (NVIDIA) - Fixed if rolled back to 1.32.0.6918 Plex Media Server server-qnap	8	130	May 15, 2023
HW Transcoding with HDR Tone mapping not working (hw works without tone mapping enabled) Plex Media Server server-linux	259	6696	June 29, 2025
HDR Tonemapping with Hardware Transcoding Broken PMS 1.29.2.6364 Plex Media Server playback , server-truenas	48	955	May 24, 2023
Plex Suddenly Stops Hardware Transcoding Plex Media Server server-linux , apple-tv , server-truenas	68	1140	June 22, 2023
Intel N100 HW HDR Tonemapping not working Plex Media Server server-linux	28	967	September 15, 2023

NVidia transcoding broken on 1.32.2.7002

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